This Service Repair Workshop Manual provides comprehensive information for Mercury Mariner 60, Big Foot 60, Marathon 60, and SeaPro 60 outboard engines. These engines are known for their robust construction and reliable performance, delivering 60 horsepower through a water-cooled system. Depending on the specific sub-model, they may feature carbureted or EFI fuel delivery and a CDI ignition system. The manual covers a range of model years, ensuring that owners and technicians have access to the necessary details for these versatile marine power units. The purpose of this manual is to serve as a definitive guide for the maintenance, repair, and troubleshooting of the specified Mercury outboard engines. It details essential procedures, including lubrication requirements with Quicksilver 2-Stroke Outboard Oil, fuel system management, and recommended spark plug types. Technical specifications, safety guidelines, and information on components like the power trim and tilt system are also included. This resource is designed to assist owners, mechanics, and technicians in keeping their engines in optimal working condition.